Exemplo n.º 1
0
int sendto_ip4_udp_local_ip(int fd)
{
	struct ofp_sockaddr_in dest_addr = {0};
	const char *buf = "socket_test";

	dest_addr.sin_len = sizeof(struct ofp_sockaddr_in);
	dest_addr.sin_family = OFP_AF_INET;
	dest_addr.sin_port = odp_cpu_to_be_16(TEST_PORT);
	dest_addr.sin_addr.s_addr = IP4(192, 168, 100, 1);

	if (ofp_sendto(fd, buf, strlen(buf), 0,
		(struct ofp_sockaddr *)&dest_addr,
		sizeof(dest_addr)) == -1) {
		OFP_ERR("Faild to send data(errno = %d)\n", ofp_errno);
		return -1;
	}
	OFP_INFO("Data (%s) sent successfully.\n", buf);

	OFP_INFO("SUCCESS.\n");
	return 0;
}
Exemplo n.º 2
0
int sendto_ip6_udp_any(int fd)
{
	struct ofp_sockaddr_in6 dest_addr = {0};
	const char *buf = "socket_test";

	dest_addr.sin6_len = sizeof(struct ofp_sockaddr_in6);
	dest_addr.sin6_family = OFP_AF_INET6;
	dest_addr.sin6_port = odp_cpu_to_be_16(TEST_PORT);
	dest_addr.sin6_addr = ofp_in6addr_any;

	if (ofp_sendto(fd, buf, strlen(buf), 0,
		(struct ofp_sockaddr *)&dest_addr,
		sizeof(dest_addr)) == -1) {
		OFP_ERR("Faild to send data(errno = %d)\n", ofp_errno);
		return -1;
	}

	OFP_INFO("Data (%s) sent successfully.\n", buf);

	OFP_INFO("SUCCESS.\n");
	return 0;
}
Exemplo n.º 3
0
ofp_ssize_t
ofp_send(int sockfd, const void *buf, size_t len, int flags)
{
	return ofp_sendto(sockfd, buf, len, flags, NULL, 0);
}
Exemplo n.º 4
0
static void *mcasttest(void *arg)
{
	int fd;
	struct ofp_sockaddr_in my_addr;
	struct ofp_ip_mreq mreq;
	(void)arg;

	logprint("Multicast thread started\n");

	if (odp_init_local(ODP_THREAD_CONTROL)) {
		OFP_ERR("Error: ODP local init failed.\n");
		return NULL;
	}
	if (ofp_init_local()) {
		OFP_ERR("Error: OFP local init failed.\n");
		return NULL;
	}
	sleep(1);

	while (myaddr == 0) {
		myaddr = ofp_port_get_ipv4_addr(0, 0, OFP_PORTCONF_IP_TYPE_IP_ADDR);
		sleep(1);
	}

	if ((fd = ofp_socket(OFP_AF_INET, OFP_SOCK_DGRAM, OFP_IPPROTO_UDP)) < 0) {
		perror("socket");
		logprint("Cannot open socket!\n");
		return NULL;
	}

	memset(&my_addr, 0, sizeof(my_addr));
	my_addr.sin_family = OFP_AF_INET;
	my_addr.sin_port = odp_cpu_to_be_16(2048);
	my_addr.sin_addr.s_addr = 0;
	my_addr.sin_len = sizeof(my_addr);

	if (ofp_bind(fd, (struct ofp_sockaddr *)&my_addr,
		       sizeof(struct ofp_sockaddr)) < 0) {
		logprint("Cannot bind socket (%s)!\n", ofp_strerror(ofp_errno));
		return NULL;
	}

	memset(&mreq, 0, sizeof(mreq));
        mreq.imr_multiaddr.s_addr = IP4(234,5,5,5);
        mreq.imr_interface.s_addr = myaddr;
        if (ofp_setsockopt(fd, OFP_IPPROTO_IP, OFP_IP_ADD_MEMBERSHIP,
			   &mreq, sizeof(mreq)) == -1) {
		perror("setsockopt");
        }

	memset(&mreq, 0, sizeof(mreq));
        mreq.imr_multiaddr.s_addr = IP4(234,7,7,7);
        mreq.imr_interface.s_addr = myaddr;
        if (ofp_setsockopt(fd, OFP_IPPROTO_IP, OFP_IP_ADD_MEMBERSHIP,
			   &mreq, sizeof(mreq)) == -1) {
		perror("setsockopt");
        }

	for (;;) {
		char buf[100];
		int len = sizeof(buf);
		struct ofp_sockaddr_in addr = {0};
		ofp_socklen_t addr_len = 0;

		len = ofp_recvfrom(fd, buf, len, 0,
				   (struct ofp_sockaddr *)&addr, &addr_len);
		if (len == -1) {
			OFP_ERR("Faild to rcv data(errno = %d)\n", ofp_errno);
			continue;
		}

		buf[len] = 0;
		OFP_INFO("Data (%s, len = %d) was received.\n", buf, len);

		if (addr_len != sizeof(addr)) {
			OFP_ERR("Faild to rcv source address: %d (errno = %d)\n",
				addr_len, ofp_errno);
			continue;
		}

		if (strstr(buf, "add")) {
			OFP_INFO("Add membership to 234.7.7.7\n");
			memset(&mreq, 0, sizeof(mreq));
			mreq.imr_multiaddr.s_addr = IP4(234,7,7,7);
			mreq.imr_interface.s_addr = myaddr;
			if (ofp_setsockopt(fd, OFP_IPPROTO_IP, OFP_IP_ADD_MEMBERSHIP,
					   &mreq, sizeof(mreq)) == -1) {
				perror("setsockopt");
			}
		} else if (strstr(buf, "drop")) {
			OFP_INFO("Drop membership from 234.7.7.7\n");
			memset(&mreq, 0, sizeof(mreq));
			mreq.imr_multiaddr.s_addr = IP4(234,7,7,7);
			mreq.imr_interface.s_addr = myaddr;
			if (ofp_setsockopt(fd, OFP_IPPROTO_IP, OFP_IP_DROP_MEMBERSHIP,
					   &mreq, sizeof(mreq)) == -1) {
				perror("setsockopt");
			}
		} else if (strstr(buf, "quit")) {
			exit(0);
		}

		OFP_INFO("Data was received from address 0x%x, port = %d.\n",
			 odp_be_to_cpu_32(addr.sin_addr.s_addr),
			 odp_be_to_cpu_16(addr.sin_port));

		sprintf(buf, "%d bytes\n", len);

		if (ofp_sendto(fd, buf, strlen(buf), 0,
			       (struct ofp_sockaddr *)&addr,
			       sizeof(addr)) == -1) {
			OFP_ERR("Faild to send data (errno = %d)\n", ofp_errno);
		}
	}

	logprint("mcast exit\n");
	return NULL;
}